How to fix the Oracle error ORA-10647: Tablespace other than SYSTEM, string, string not found in read only mode?

In this post, you’ll learn more about the Oracle ErrorORA-10647: Tablespace other than SYSTEM, string, string not found in read only mode with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-10647: Tablespace other than SYSTEM, string, string not found in read only mode

Reason for the Error ORA-10647: Tablespace other than SYSTEM, string, string not found in read only mode

When SYSTEM tablespace is being migrated, tablespaces other than the three should be ALTERed to read only.

How to fix the Error ORA-10647: Tablespace other than SYSTEM, string, string not found in read only mode ?

You can fix this error in Oracle by following the below steps

Alter the tablespace status to read only and retry migration.